We were founded on 29 April 1826 by Sir Stamford Raffles, who envisioned a scientific institution dedicated to the ‘advancement of zoological science’. From our inception, as with many societies of ...

We're working to bring youth voice to the heart of ZSL's work. The ZSL Youth Advisory Board was launched in summer 2023 to bring youth voices to the forefront of shaping our organisation's future.

The paper, published today (17 December 2025) in Herpetology Notes describes how a population of threatened galaxy frogs is ...

Scimitar horned oryx downlisted to endangered by IUCN – marks first species in global Extinct in the Wild initiative to be downlisted An antelope whose species was declared Extinct in the Wild has ...

Since it was declared biologically dead in 1957 in parts, the tidal stretch of the River Thames has made an astounding recovery. Results of the first complete health check of the River Thames were ...

Oyster "cubes" have been deployed off the North East coast of England, in a bid to restore the near-extinct native species to UK waters. In a UK-first, marine conservationists from ZSL & Groundwork ...

Today our science-led conservation charity behind London Zoo and Whipsnade Zoo – is launching History Hive: a public appeal for memories and artefacts to bring its 200-year history to life. Launching ...

This week we celebrated our winners at the annual ZSL Awards Celebration, hosted by ZSL President, Professor Sir Jim Smith FRS. From awarding original work submitted as a doctoral thesis with the ...

An armour-plated fish once so popular that King Edward II declared it ‘royal’ is set to make a comeback thanks to an ambitious plan launched by UK conservationists to bring the ancient, Critically ...

These findings, from the latest Living Planet Index by our Institute of Zoology – the most comprehensive measure of vertebrate population trends across the globe. The Living Planet Index informs WWF’s ...

The Falkland Islands’ only native mammal was in fact the last remaining population of a South American species, reveals latest paper from our team of scientists and conservationsts: a discovery with ...

A ground-breaking study led by ZSL has confirmed the astonishing potential for conservation zoos, aquariums, botanical gardens, and seedbanks across the world to bring animals and plants back from ...